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Master-clocks

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Industry

  • CPC
  • G04C13/04
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Parent Industries

GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C13/00Driving mechanisms for clocks by master-clocks

Current Industry

G04C13/04Master-clocks
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic watch, motor control circuit, and method for controlling...
    • Patent number 11,899,405
    • Issue date Feb 13, 2024
    • Seiko Epson Corporation
    • Tomoki Okuhata
    • G04 - HOROLOGY
  • Information Patent Grant

    Timepiece comprising a device for switching a mechanism of said tim...
    • Patent number 10,078,310
    • Issue date Sep 18, 2018
    • Montres Breguet SA
    • Davide Sarchi
    • G04 - HOROLOGY
  • Information Patent Grant

    Impulse clock system
    • Patent number 5,442,599
    • Issue date Aug 15, 1995
    • National Time & Signal Corporation
    • Michael P. Burke
    • G04 - HOROLOGY
  • Information Patent Grant

    Impulse clock system
    • Patent number 5,282,180
    • Issue date Jan 25, 1994
    • National Time & Signal Corporation
    • Michael P. Burke
    • G04 - HOROLOGY
  • Information Patent Grant

    Switch assembly for maintaining an electric time switch clock synch...
    • Patent number 4,602,165
    • Issue date Jul 22, 1986
    • Richard W. Rosenberg
    • G04 - HOROLOGY
  • Information Patent Grant

    Redundant clock system utilizing nonsynchronous oscillators
    • Patent number 4,254,492
    • Issue date Mar 3, 1981
    • Rockwell International Corporation
    • Thomas C. McDermott
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3801795
    • Patent number 3,801,795
    • Issue date Apr 2, 1974
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3479812
    • Patent number 3,479,812
    • Issue date Nov 25, 1969
    • G04 - HOROLOGY
  • Information Patent Grant

    3469390
    • Patent number 3,469,390
    • Issue date Sep 30, 1969
    • G04 - HOROLOGY
  • Information Patent Grant

    3298171
    • Patent number 3,298,171
    • Issue date Jan 17, 1967
    • G04 - HOROLOGY
  • Information Patent Grant

    3282043
    • Patent number 3,282,043
    • Issue date Nov 1, 1966
    • G04 - HOROLOGY
  • Information Patent Grant

    3277645
    • Patent number 3,277,645
    • Issue date Oct 11, 1966
    • G04 - HOROLOGY
  • Information Patent Grant

    2909029
    • Patent number 2,909,029
    • Issue date Oct 20, 1959
    • G04 - HOROLOGY
  • Information Patent Grant

    2672008
    • Patent number 2,672,008
    • Issue date Mar 16, 1954
    • G04 - HOROLOGY
  • Information Patent Grant

    2661590
    • Patent number 2,661,590
    • Issue date Dec 8, 1953
    • G04 - HOROLOGY
  • Information Patent Grant

    2614383
    • Patent number 2,614,383
    • Issue date Oct 21, 1952
    • G04 - HOROLOGY
  • Information Patent Grant

    2595431
    • Patent number 2,595,431
    • Issue date May 6, 1952
    • G04 - HOROLOGY
  • Information Patent Grant

    2579914
    • Patent number 2,579,914
    • Issue date Dec 25, 1951
    • G04 - HOROLOGY
  • Information Patent Grant

    2577415
    • Patent number 2,577,415
    • Issue date Dec 4, 1951
    • G04 - HOROLOGY
  • Information Patent Grant

    2565735
    • Patent number 2,565,735
    • Issue date Aug 28, 1951
    • G04 - HOROLOGY
  • Information Patent Grant

    2558935
    • Patent number 2,558,935
    • Issue date Jul 3, 1951
    • G04 - HOROLOGY
  • Information Patent Grant

    2379836
    • Patent number 2,379,836
    • Issue date Jul 3, 1945
    • G04 - HOROLOGY
  • Information Patent Grant

    2369812
    • Patent number 2,369,812
    • Issue date Feb 20, 1945
    • G04 - HOROLOGY
  • Information Patent Grant

    2354511
    • Patent number 2,354,511
    • Issue date Jul 25, 1944
    • G04 - HOROLOGY
  • Information Patent Grant

    2301784
    • Patent number 2,301,784
    • Issue date Nov 10, 1942
    • G04 - HOROLOGY
  • Information Patent Grant

    2260864
    • Patent number 2,260,864
    • Issue date Oct 28, 1941
    • G04 - HOROLOGY
  • Information Patent Grant

    2207066
    • Patent number 2,207,066
    • Issue date Jul 9, 1940
    • G04 - HOROLOGY
  • Information Patent Grant

    2117508
    • Patent number 2,117,508
    • Issue date May 17, 1938
    • G04 - HOROLOGY
  • Information Patent Grant

    2066349
    • Patent number 2,066,349
    • Issue date Jan 5, 1937
    • G04 - HOROLOGY
  • Information Patent Grant

    2053077
    • Patent number 2,053,077
    • Issue date Sep 1, 1936
    • G04 - HOROLOGY

Patents Applicationslast 30 patents